105565045226 has 4 divisors (see below), whose sum is σ = 158347567842. Its totient is φ = 52782522612.

The previous prime is 105565045123. The next prime is 105565045249. The reversal of 105565045226 is 622540565501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622540565501 = 61 ⋅10205583041.

It can be written as a sum of positive squares in only one way, i.e., 59017414225 + 46547631001 = 242935^2 + 215749^2 .

It is a super-2 number, since 2×105565045226² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26391261305 + ... + 26391261308.

Almost surely, 2^105565045226 is an apocalyptic number.

105565045226 is a deficient number, since it is larger than the sum of its proper divisors (52782522616).

105565045226 is an equidigital number, since it uses as much as digits as its factorization.

105565045226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52782522615.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 105565045226 in words is "one hundred five billion, five hundred sixty-five million, forty-five thousand, two hundred twenty-six".